The flight from Buenos Aires to Montevideo is one of South America's shortest and most frequented international routes, connecting two capital cities separated by the wide estuary of the Río de la Plata. Despite the proximity — just over 200 kilometers apart — the journey by air remains a popular choice for business travelers and tourists who want to maximize their time in either destination. The flight itself takes roughly 50 minutes, making it feel more like a regional commuter hop than an international voyage. From the moment you settle into your seat, there's barely enough time to enjoy a coffee before the aircraft begins its descent into Carrasco International Airport. Several airlines operate flights from Buenos Aires to Montevideo throughout the day, including Aerolíneas Argentinas, LATAM, and the Uruguayan carrier Amaszonas. Frequency is high, with multiple daily departures from both Aeroparque Jorge Newbery, the city's domestic and regional hub located right along the waterfront, and the larger Ezeiza International Airport. Most travelers prefer Aeroparque for its central location, which shaves considerable time off ground transportation. Seasonally, the route is busy year-round, but summer months from December through February see a noticeable uptick as Argentine vacationers head to Uruguay's famed beach resorts like Punta del Este and José Ignacio. Montevideo itself is a rewarding destination in any season — its mild winters are pleasant for exploring the Ciudad Vieja, sampling world-class grilled meats at a traditional parrilla, or wandering the sprawling Mercado del Puerto. One practical tip for travelers: always compare the flight option against the popular Buquebus ferry service, which crosses the river in about two to three hours and offers a scenic alternative. During peak travel periods or when airfares spike, the ferry can be both more affordable and more enjoyable. However, for those on a tight schedule, nothing beats the convenience of the short aerial crossing. Arriving in Montevideo, Carrasco Airport is modern, efficient, and located about 20 kilometers from the city center. Taxis, rideshare apps, and airport buses make the transfer straightforward. The route between Buenos Aires and Montevideo represents something special in South American travel — two culturally rich capitals so close together that visiting both in a single trip feels effortless. Whether you're drawn by Uruguay's laid-back charm, its thriving wine scene, or simply the novelty of hopping between two countries in under an hour, this short flight delivers an outsized sense of adventure.
Buenos Aires to Montevideo: A Quick Hop Across the River
About this route

The flight from Buenos Aires to Montevideo is one of South America's shortest international routes, covering roughly 200 kilometers across the River Plate in under an hour. It's a route served frequently by airlines like Aerolíneas Argentinas and LATAM, with multiple daily departures that make it easy to plan — or improvise. Last minute travelers often find availability on this corridor thanks to the high frequency of flights. Spring and fall bring mild weather to both cities, making them ideal seasons to visit. Montevideo's relaxed pace offers a welcome contrast to Buenos Aires' energy, and many travelers treat the trip as a weekend getaway. If you're booking last minute, consider midweek departures for smoother availability. The Carrasco International Airport is modern and easy to navigate, putting you in central Montevideo within 30 minutes of landing.
